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Cheap flights from Ko Samui to London from £262

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ko Samui to London departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:10 - 18:30USM-LGW
28h 20m1 stop
Multiple Airlines Logo
06:25 - 17:10LGW-USM
51h 45m2 stops
£880Multiple Airlines
Find Deal
Sun, 7 Dec - Sun, 14 Dec
Multiple Airlines Logo
19:10 - 11:40USM-LGW
23h 30m2 stops
Multiple Airlines Logo
13:35 - 15:35LGW-USM
19h 00m2 stops
£1,086Multiple Airlines
Find Deal
Sun, 7 Dec - Sun, 14 Dec
Multiple Airlines Logo
21:10 - 18:30USM-LGW
28h 20m1 stop
Multiple Airlines Logo
16:10 - 15:35LGW-USM
16h 25m1 stop
£1,331Multiple Airlines
Find Deal
Sun, 7 Dec - Sun, 14 Dec

momondo Fare Finder

 
Customise your flight search to find flights from Ko Samui to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 24 October 2025.
Use the filters below to find and compare flights from Ko Samui to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 7/12

21:10-18:30

1 stop28h 20m

London Gatwick

Sun 14/12

06:25-17:10

2 stops51h 45m

£880

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 7/12

19:10-11:40

2 stops23h 30m

London Gatwick

Sun 14/12

13:35-15:35

2 stops19h 00m

£1,086

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 7/12

21:10-18:30

1 stop28h 20m

London Gatwick

Sun 14/12

16:10-15:35

1 stop16h 25m

£1,331

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 24/11

08:15-23:40

3 stops46h 25m

£262

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 25/11

06:45-06:30

2 stops30h 45m

£301

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 21/12

08:30-08:35

2 stops31h 05m

£305

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sun 21/12

19:00-21:50

3 stops33h 50m

£319

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 25/11

17:05-05:55

2 stops19h 50m

£393

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Mon 24/11

13:25-05:55

2 stops23h 30m

£424

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 25/11

19:45-06:25

1 stop17h 40m

£622

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ko Samui to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Gatwick Airport?

According to our data, Monday is the cheapest day to fly to London Gatwick Airport from Ko Samui. The lowest ticket price found for a Monday departure recently was £369. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Ko Samui to London Gatwick Airport on a Wednesday will generally be more expensive and average around £732. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to London Gatwick Airport?

Our data shows that the cheapest Ko Samui to London Gatwick Airport flights are usually those with departure times in the evening. Our users have found flights to London Gatwick Airport in the evening for as low as £399. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the afternoon when prices are around £571.

Can stopping save me money on Ko Samui to London Gatwick Airport flights?

You could potentially save up to 22% on your flight if you consider stops on a Ko Samui to London Gatwick Airport flight.

When to book flights from Ko Samui to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ko Samui to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ko Samui to London Gatwick Airport (USM to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ko Samui to London Gatwick Airport

Direct flights

None
There are no direct flights from Ko Samui to London Gatwick Airport. There are no popular flight routes from Ko Samui to London Gatwick Airport.
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  • How far is Ko Samui to London Gatwick by plane?

    A flight from Ko Samui to London Gatwick will travel around 6139.0 mi. A reasonable flight in good conditions will take 23h 30m.

  • When did momondo last update prices for flights from Ko Samui Airport to London Gatwick Airport?

    Prices for flights from Ko Samui Airport to London Gatwick Airport refresh daily.

  • How old do you have to be to fly from Ko Samui Airport to London Gatwick Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ko Samui Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The necessary travel and health documents for your London Gatwick Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Ko Samui to London?

Finding the right flight to London from Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Ko Samui to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Ko Samui which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ko Samui to London?

momondo helps you find the best flight between Ko Samui and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ko Samui to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ko Samui to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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